Demantoid and Cinnabar Physical Properties

Demantoid

Cinnabar

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1 Physical Properties

1.1 Tenacity

Not Available

Slightly sectile

1.2 Solubility

Not Available

1.04 x 10⁻²⁵ g per 100 ml water (Ksp at 25°C = 2 x 10⁻³²)

1.3 Durability

Not Available

1.4 Specific Gravity

3.77-3.952

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

6.52-2.5

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Demantoid and Cinnabar Chemical Formula

While comparing Demantoid and Cinnabar physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Demantoid and Cinnabar chemical formula.

Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

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Demantoid Vs Faustite

Demantoid and Cinnabar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Demantoid and Cinnabar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Demantoid and Cinnabar Optical Properties during the identification of gemstone. Specific gravity of Demantoid is 2 whereas that of Cinnabar is 2.